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Biology EOC Test Prep 2
Test Description: Biology EOC Test Prep 2
Instructions: Answer all questions to get your test result.
1) The weaknesses in the hydrogen bonds between the bases of DNA allows_______
A
base pairs to separate during transcription and replication
B
rearrangement of the sequence of bases to take place
C
new bases to be incorporated into the DNA molecule
D
conversion of bases to amino acids in the event of cell starvation
2) Which is an activity that increases gentetic variation
A
budding
B
binary fission
C
fragmentation
D
sexual reproduction
3) A body cell of a sand dollar has 52 chromosomes. How many chromosomes should a sand dollar gamete contain?
A
104
B
26
C
52
D
78
4) In cells, aerobic respiration is more efficient than anaerobic respiration . This is because aerobic respiration produces more of which of the following substances
A
Glucose
B
Protien
C
DNA
D
ATP
5) Earth’s atmosphere is 20.9% molecular oxygen (O2). Which process provides most of the oxygen in the atmosphere?
A
photosynthesis
B
transpiration
C
osmosis
D
cellular respiration
6) The stored information in DNA codes for which of the following?
A
large vacuoles when nutrients are abundant
B
proteins
C
simple sugars
D
mitochondria
7) Beginning with one parent cell, how many daughter cells are typically produced from one mitotic division?
A
2
B
1
C
4
D
8
8) Which of these does not occur during meiosis?
A
production of new gene combos
B
crossing over of homologous chromosomes
C
reduction of chromosome number by half
D
production of identical gametes
9) In which of the following cell structures are the Drosophila chromosomes located?
A
nucleus
B
lysosome
C
vacuole
D
ribosome
10) Which type of molecule do Drosophila chromosomes primarily contain?
A
lipids
B
DNA
C
monosaccharides
D
RNA
11) A body cell of a sand dollar has 52 chromosomes. How many chromosomes should a sand dollar gamete contain?
A
78
B
104
C
26
D
52
12) In cells, aerobic respiration is more efficient than anaerobic respiration This is because aerobic respiration produces more of which of the following substances?
A
DNA
B
ATP
C
glucose
D
protein
13) A person with swollen gums rinses his mouth with warm salt water, and the swelling decreases. Which has occurred?
A
The water in the gums has moved from a high to a low concentration of water.
B
The salt in the solution has moved against the concentration gradient.
C
The saltwater solution lowers the temperature of the water in the gums.
D
The swollen gums have absorbed the saltwater solution.
14) Which organism is most likely to use anaerobic respiration?
A
bacteria
B
tree
C
bird
D
moss
15) If the xylem in a young tree is damaged, which process is first affected?
A
absorbing water from the soil
B
transporting sugar to the roots
C
transporting water to the leaves
D
performing photosynthesis
16) A plant species lives in an area with limited sunlight. Which physical adaptation would be most useful to the plant?
A
colorful flowers
B
thin cuticle
C
deep roots
D
large leaves
17) RNA and DNA are which type of organic compound? A carbohydrate B lipid C nucleic acid D protein
A
protein
B
carbohydrate
C
lipid
D
nucleic acid
18) Which is an example of osmosis?
A
carbon dioxide moving into the leaf cells of a plant
B
oxygen moving into the bloodstream from the lungs
C
potassium ions moving in and out of an animal cell
D
water moving into the root cells of a plant
19) What advantage do sexually reproducing organisms have over asexually reproducing organisms?
A
genetic variation
B
increased reproductive rate
C
increased fertilization rate
D
genetic stability
20) Which types of organisms developed first due to the early environmental conditions on Earth?
A
prokaryotic and aerobic
B
eukaryotic and aerobic
C
eukaryotic and anaerobic
D
prokaryotic and anaerobic
*select an answer for all questions
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